50909892 has 96 divisors (see below), whose sum is σ = 139345920. Its totient is φ = 14302080.

The previous prime is 50909857. The next prime is 50909897. The reversal of 50909892 is 29890905.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (50909897) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 132733 + ... + 133115.

It is an arithmetic number, because the mean of its divisors is an integer number (1451520).

Almost surely, 2^50909892 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50909892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69672960).

50909892 is an abundant number, since it is smaller than the sum of its proper divisors (88436028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50909892 is a wasteful number, since it uses less digits than its factorization.

50909892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473 (or 471 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 42.

The square root of 50909892 is about 7135.1168175441. The cubic root of 50909892 is about 370.6244434736.

The spelling of 50909892 in words is "fifty million, nine hundred nine thousand, eight hundred ninety-two".